One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,4,5)(3,7,8,6)(9,10,14,12)(11,13,16,15)(17,18,22,23)(19,21,20,24)(25,26)(27,31)(28,30)(29,32)(2,5)(3,8)(9,11,14,16)(10,15,12,13)(18,23)(21,24)(25,27,30,29)(26,31,28,32)(3,8)(6,7)(11,16)(13,15)(17,19,22,20)(18,24,23,21)(25,27,30,29)(26,32,28,31)(1,2)(3,7)(4,5)(6,8)(9,12,14,10)(11,15,16,13)(17,20,22,19)(18,21,23,24)(25,28,30,26)(27,31,29,32)(1,3,4,8)(2,6,5,7)(9,13,14,15)(10,11,12,16)(17,21)(18,20)(19,23)(22,24)(25,29,30,27)(26,31,28,32)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.